Q215 · Practice questionSimple familiar1 mark
QUESTION 215
Two black bodies have peak wavelengths and . What is the temperature of the first divided by the temperature of the second?
(A)
(B)
(C)
(D)
WORKED SOLUTION
1 markAnswer D
ANSWER
D.
Worked solution
Wien's law gives . Hence .
Equivalent physically justified methods and consistent equivalent units accepted.
Displayed decimals are model answers; accept appropriate significant figures and consistent rounding from stated constants.
Select D.
Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
View the QCAA syllabus